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Generate exact multiple choice questions as give below 1. **Which round of negotiations led to the establishment of the World Trade Organization (WTO)?** - (a) Doha Round - (b) Tokyo Round - (c) Uruguay Round - (d) Kennedy Round **Answer:** (c) Uruguay Round 2. **The General Agreement on Tariffs and Trade (GATT) dealt with:** - (a) Goods only - (b) Services only - (c) Intellectual property only - (d) All of the above **Answer:** (a) Goods only 3. **The 'National Treatment' principle means:** - (a) Exported products are treated equally in the domestic market - (b) Imported goods are treated the same as local goods in the domestic market - (c) Exported products should have the same tariff - (d) None of the above **Answer:** (b) Imported goods are treated the same as local goods in the domestic market 4. **'Bound tariff' refers to:** - (a) A limit on tariffs for imports based on WTO commitments - (b) The tax rate on all exports - (c) The overall cost of tariffs - (d) A tariff-free trade condition **Answer:** (a) A limit on tariffs for imports based on WTO commitments 5. **The Most-Favoured Nation (MFN) principle ensures:** - (a) Equal treatment for all WTO members - (b) Only certain countries receive benefits - (c) Tariffs are raised annually - (d) One country is favored over others **Answer:** (a) Equal treatment for all WTO members 6. **The Agreement on Agriculture includes commitments in:** - (a) Market access, domestic support, and export subsidies - (b) Increasing crop yield and technology access - (c) Subsidizing imports only - (d) Agricultural tariffs only **Answer:** (a) Market access, domestic support, and export subsidies 7. **Which agreement replaced the Multi-Fiber Arrangement (MFA)?** - (a) Agreement on Textiles and Clothing - (b) Agreement on Agriculture - (c) TRIPS Agreement - (d) Technical Barriers to Trade Agreement **Answer:** (a) Agreement on Textiles and Clothing 8. **The WTO's TRIPS Agreement pertains to:** - (a) Agricultural products - (b) Intellectual property rights - (c) Investment measures - (d) Customs valuation **Answer:** (b) Intellectual property rights 9. **The Doha Round primarily focuses on:** - (a) Tariffs on manufactured goods - (b) Trade in agricultural goods - (c) Technology trade - (d) Intellectual property in medicine **Answer:** (b) Trade in agricultural goods 10. **The WTO aims to:** - (a) Restrict all trade - (b) Facilitate free and fair trade - (c) Promote monopoly - (d) Limit member negotiations **Answer:** (b) Facilitate free and fair trade 11. **RTAs aim to:** - (a) Block international trade - (b) Reduce trade barriers within a group of countries - (c) Increase tariffs among members - (d) Promote non-trade-related policies **Answer:** (b) Reduce trade barriers within a group of countries 12. **Customs unions require members to:** - (a) Keep individual external tariffs - (b) Impose the same external tariff on non-members - (c) Remove tariffs only temporarily - (d) Avoid any tariffs within the union **Answer:** (b) Impose the same external tariff on non-members 13. **The WTO's highest decision-making body is:** - (a) General Council - (b) Ministerial Conference - (c) TRIPS Council - (d) Dispute Settlement Body **Answer:** (b) Ministerial Conference 14. **Which principle prevents discrimination between WTO members?** - (a) MFN - (b) National Treatment - (c) Market Access - (d) Subsidy Reduction **Answer:** (a) MFN 15. **A common market involves:** - (a) A shared currency - (b) Free movement of goods, services, and factors of production - (c) Only trade agreements for goods - (d) No tariffs on agriculture **Answer:** (b) Free movement of goods, services, and factors of production 16. **The Agreement on Subsidies and Countervailing Measures addresses:** - (a) Trade in textiles - (b) Subsidies that distort trade - (c) All intellectual property laws - (d) Agricultural trade only **Answer:** (b) Subsidies that distort trade 17. **The WTO's TRIMs Agreement regulates:** - (a) Investments - (b) Trade in goods - (c) Trade in services - (d) Agricultural products **Answer:** (a) Investments 18. **The primary goal of the WTO's SPS Agreement is:** - (a) To allow subsidies on food exports - (b) To prevent arbitrary sanitary restrictions on trade - (c) To regulate intellectual property - (d) To impose environmental standards **Answer:** (b) To prevent arbitrary sanitary restrictions on trade 19. **A trading bloc is:** - (a) A group of countries with no trade agreements - (b) A group of countries that may have a common external tariff - (c) Only formed by countries from the same continent - (d) An agreement that restricts all trade **Answer:** (b) A group of countries that may have a common external tariff 20. **The GATT was succeeded by the WTO because:** - (a) GATT was only for developed countries - (b) WTO covers more areas like services and intellectual property - (c) GATT was non-binding - (d) WTO allows subsidies for agriculture **Answer:** (b) WTO covers more areas like services and intellectual property Certainly! Here are an additional 30 multiple-choice questions based on the document content, with answers provided after each question. --- ### Additional Questions and Answers 21. **The WTO’s Agreement on Technical Barriers to Trade (TBT) seeks to:** - (a) Restrict imports to a minimum - (b) Prevent standards from becoming unnecessary trade barriers - (c) Allow countries to set any standard for goods - (d) Promote only national standards for products **Answer:** (b) Prevent standards from becoming unnecessary trade barriers 22. **The Trade Policy Review Mechanism (TPRM) is designed to:** - (a) Impose tariffs on certain goods - (b) Regularly review and assess national trade policies - (c) Regulate customs duties globally - (d) Control intellectual property rights **Answer:** (b) Regularly review and assess national trade policies 23. **The principle of “progressive liberalization” means that:** - (a) Trade barriers are reduced gradually over time - (b) All tariffs are removed immediately - (c) Only developed countries reduce trade barriers - (d) No commitments are required from developing countries **Answer:** (a) Trade barriers are reduced gradually over time 24. **Which council oversees the Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS)?** - (a) General Council - (b) Services Council - (c) TRIPS Council - (d) Agriculture Council **Answer:** (c) TRIPS Council 25. **The WTO’s 'Dispute Settlement Body' is responsible for:** - (a) Deciding on national trade policies - (b) Settling trade disputes between member countries - (c) Creating new trade agreements - (d) Setting tariffs for member countries **Answer:** (b) Settling trade disputes between member countries 26. **A customs union differs from a free trade area because it:** - (a) Allows tariffs between member countries - (b) Establishes a common external tariff for non-members - (c) Applies only to services - (d) Imposes import quotas on all goods **Answer:** (b) Establishes a common external tariff for non-members 27. **Which of the following agreements deals with cross-border investments?** - (a) TRIPS - (b) TBT - (c) TRIMs - (d) GATS **Answer:** (c) TRIMs 28. **In a preferential trade agreement, member countries:** - (a) Impose the same tariffs as non-members - (b) Reduce trade barriers for each other only - (c) Apply high tariffs to non-member countries - (d) Have no external trade barriers **Answer:** (b) Reduce trade barriers for each other only 29. **The WTO’s Agreement on Agriculture includes which commitment?** - (a) Export subsidies for all agricultural goods - (b) Reduction of domestic support for farmers - (c) Complete elimination of tariffs on food products - (d) Increase in import quotas on agricultural goods **Answer:** (b) Reduction of domestic support for farmers 30. **The Agreement on Anti-Dumping allows countries to:** - (a) Increase exports by lowering prices - (b) Impose duties on imports sold below fair market value - (c) Eliminate all tariffs on certain goods - (d) Restrict domestic production of certain goods **Answer:** (b) Impose duties on imports sold below fair market value 31. **The main objective of WTO’s “National Treatment” principle is to:** - (a) Prevent imports altogether - (b) Treat foreign goods the same as domestic goods - (c) Impose tariffs on all foreign products - (d) Promote exports **Answer:** (b) Treat foreign goods the same as domestic goods 32. **Which of the following is a major goal of the WTO?** - (a) Ensuring trade restrictions remain high - (b) Promoting international free trade and competition - (c) Limiting access to global markets - (d) Supporting only developed countries **Answer:** (b) Promoting international free trade and competition 33. **An economic and monetary union involves:** - (a) A free trade area only - (b) A common currency among members - (c) No external trade agreements - (d) Different currencies for each member country **Answer:** (b) A common currency among members 34. **The WTO's Ministerial Conference meets:** - (a) Annually - (b) Every two years - (c) Quarterly - (d) Every five years **Answer:** (b) Every two years 35. **The WTO Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS) mandates:** - (a) Free trade for all countries - (b) Uniform intellectual property protection standards - (c) Different IP laws for each country - (d) No IP protection for developing countries **Answer:** (b) Uniform intellectual property protection standards 36. **The WTO principle of 'transparency' requires member countries to:** - (a) Keep trade policies secret - (b) Publicly disclose trade policies and practices - (c) Have identical trade policies - (d) Eliminate tariffs on all goods **Answer:** (b) Publicly disclose trade policies and practices 37. **One of the WTO's objectives in dispute settlement is to:** - (a) Resolve trade disputes peacefully - (b) Impose sanctions on non-members - (c) Regulate global tariffs - (d) Control member states' import quotas **Answer:** (a) Resolve trade disputes peacefully 38. **Under the WTO's Market Access commitment, member countries agree to:** - (a) Allow unrestricted imports - (b) Set maximum tariff levels on imported goods - (c) Ban certain goods from other countries - (d) Only trade with specific countries **Answer:** (b) Set maximum tariff levels on imported goods 39. **GATS, or the General Agreement on Trade in Services, governs trade in:** - (a) Agricultural goods - (b) Intellectual property - (c) Services - (d) Manufactured products **Answer:** (c) Services 40. **The Agreement on Pre-shipment Inspection (PSI) aims to:** - (a) Ensure high tariffs on all imports - (b) Allow for inspection of goods before shipping - (c) Eliminate export taxes - (d) Control intellectual property trade **Answer:** (b) Allow for inspection of goods before shipping 41. **Which of the following agreements aims to harmonize customs valuation?** - (a) Anti-Dumping Agreement - (b) Customs Valuation Agreement - (c) TRIMs Agreement - (d) Agreement on Subsidies **Answer:** (b) Customs Valuation Agreement 42. **A significant aspect of the Doha Round is:** - (a) Reducing tariffs on agricultural products - (b) Restricting intellectual property rights - (c) Eliminating all forms of trade - (d) Blocking services trade agreements **Answer:** (a) Reducing tariffs on agricultural products 43. **The term “dumping” in international trade refers to:** - (a) Exporting goods at prices lower than domestic market prices - (b) Importing goods illegally - (c) Increasing domestic prices - (d) Imposing excessive tariffs **Answer:** (a) Exporting goods at prices lower than domestic market prices 44. **WTO members are expected to follow which key principle in reducing tariffs?** - (a) National Treatment - (b) Progressive Liberalization - (c) Quota System - (d) Non-Discrimination **Answer:** (b) Progressive Liberalization 45. **The WTO aims to promote fair competition by:** - (a) Allowing tariffs as the only form of protection - (b) Supporting MFN and anti-dumping measures - (c) Limiting access to agricultural products - (d) Increasing subsidies **Answer:** (b) Supporting MFN and anti-dumping measures 46. **A plurilateral agreement within the WTO:** - (a) Includes all WTO members - (b) Involves only specific countries with shared interests - (c) Bans all tariffs for members - (d) Imposes global trade restrictions **Answer:** (b) Involves only specific countries with shared interests 47. **Trade facilitation in the WTO context means:** - (a) Making trade faster, cheaper, and more predictable - (b) Increasing tariffs on imports - (c) Eliminating all customs procedures - (d) Restricting trade with non-members **Answer:** (a) Making trade faster, cheaper

Here are 12 questions based on the Word Wall Spin the Wheel Activity focusing on Robber Barons and Labor Unions: Multiple Choice: What is a "Trust"? A) A labor organization formed by skilled workers. B) A large business combination that aims to control markets and reduce competition. C) A worker strike that demands higher wages. D) A type of factory producing steel. Answer: B Which labor union sought to include all workers, regardless of skill, gender, or race? A) American Federation of Labor (AFL) B) Industrial Workers of the World (IWW) C) Knights of Labor D) Pullman Company Answer: C Who was the founder of Standard Oil, known for his monopolistic practices? A) Andrew Carnegie B) Eugene V. Debs C) John D. Rockefeller D) Samuel Gompers Answer: C Which event involved a nationwide railroad strike that led to federal intervention and the arrest of Eugene V. Debs? A) Haymarket Square Riot B) Pullman Strike C) Homestead Strike D) Coal Strike of 1902 Answer: B What is "Vertical Integration"? A) A system where one company controls all phases of production from raw materials to finished product. B) A labor union negotiation process for better working conditions. C) The consolidation of competing businesses under a single company. D) A strike where workers occupy a factory to prevent its operation. Answer: A Which of the following was a key goal of the American Federation of Labor (AFL)? A) Overthrow the capitalist system. B) Establish worker-run factories. C) Secure higher wages, shorter hours, and better working conditions. D) Eliminate all forms of skilled labor. Answer: C Fill in the Blank: John D. Rockefeller used ___________ to gain control over the oil industry and eliminate his competition. Answer: Trusts The labor organization founded by Samuel Gompers that focused on craft unionism and collective bargaining was the ___________. Answer: American Federation of Labor (AFL) The ___________ advocated for direct action and sought to organize all workers into one large union, regardless of skill or background. Answer: Industrial Workers of the World (IWW) The ___________ was an 1894 labor strike against the Pullman Company that resulted in federal troops being sent to restore order. Answer: Pullman Strike Andrew Carnegie’s belief that the wealthy had a moral obligation to use their wealth for the betterment of society was known as the ___________. Answer: Gospel of Wealth The ___________ began as a peaceful rally for an eight-hour workday but turned violent after a bomb was thrown, leading to a nationwide backlash against labor unions. Answer: Haymarket Square Riot These questions combine multiple choice and fill-in-the-blank formats, reinforcing key concepts related to labor unions and robber barons.

4.3.A Represent a fraction as a sum of fractions

What is a crime A crime is generally defined as an act or omission that is prohibited by criminal law Two critical ingredients of a crime are: 1) the commission of an act (Actus reus) 2) the mental intent to commit the act (Mens rea) A crime occurs when a person Commits an act or fails to commit an act when under a legal responsibility to do so Has the intent or mens rea to commit the act Does not have a legal defence or justification for committing the act and Violates a provision in criminal law The Social construction of crime Important to distinguish between behaviours that may be considered deviant by society and crimes Deviance is behaviour that is contrary to the norms and values of the larger society Crime is behaviour that breaks the law Deviance includes: Criminal behaviour and Wide range of other behaviours not against the law: May be frowned upon by the larger society What is viewed as deviant changes over time Crime includes: Social construction of crime Legal status of behaviours is not determined by behaviour itself but result of social response to the behaviour/persons/groups engaged in it Criminologists often conduct historical analyses to understand how social, economic and political environments may influence legislation Moral entrepreneurs Often play a key role in criminalizing certain activities Individuals, groups or organizations, seek action against certain groups of people/behaviours and bring pressure on legislators to enact criminal statutes The Origins and Application of the Criminal Law Differing perspectives on where criminal laws come from/ applied via the criminal justice system are reflected in two models 1) Value consensus model 2) Conflict Model Value consensus model Behaviours are defined as criminal/punishment imposed, reflect opinions/limits of tolerance Application of law, society reaffirms acceptable behaviours/social cohesion Conflict Model Crime and punishment reflect the power some groups have to influence, formulation/application of criminal law rich/privileged have an advantage in influencing law reform/criminal justice system The Canadian Legal System Is a common law system, with exception of Quebec which has a civil law system (Based on the French Code Napoleon) Common law is law based on custom, tradition, practice and generally unwritten Precedent is a judicial decision may be use as a standard in subsequent similar cases Canadian Courts Canadian courts organised in a hierarchy Supreme court of Canada is the highest court Stare decisis- principle whereby higher courts set precedents that lower courts must follow “To stand by what was decided” Like cases should be treated alike All courts below SSC bound to apply that same ruling in subsequent cases Criminal Law Body of law deals with conduct considered so harmful to society as a whole that it is prohibited by statute and prosecuted and punished by the government Functions of the Criminal Law In Canadian society, Criminal law provides the following functions Acts as a mechanism of social control Defines the parameters of acceptable behaviour Reduces the risk of personal retaliation Assists in general and specific deterrence Prosecutes criminalized behaviour Protects groups interests Principles of Canadian Law The Rule of Law The requirement that governments as well as individuals be subjected to Traced back to the English Magna Carta The essence of the rule of law is that No one person is above the law All persons are bound by the law All are entitled to protection by the law The law should be observed and enforced equally There is a standard to which criminal justice officials must adhere and will be held accountable Criminal Law Vs. Civil (Tort) Law Summary Crime is a social construction and is a reflection of changing time and mores Criminal law is not static and what behaviour legislatively defined as criminal can change overnight There are instances in which controversy arises when the criminal law is applied to issues of ethics, morality and religion The criminal law was identified as one type of public law and the functions of the criminal law were set out The rule of law and the charter of rights and freedoms are two key parts of the foundation of the criminal justice system There are several principles that also provide the foundation for Canadian law The role, principles origins and application of the criminal law were examined and a number of case studies were presented to illustrate the dynamic nature of the criminal law in a diverse society

Create a comprehension quiz for the following vocabulary; To be getting on in age: Growing older; advancing in years. Pet peeve: Something that annoys or bothers someone significantly. Pinhead: A small-minded or foolish person. Nit-pick: To find fault with small or trivial details. Whilst/while: During the time that; at the same time as. On a dig: Engaged in archaeological excavation. Mad vs crazy: "Mad" typically refers to anger or insanity, while "crazy" can denote insanity or extreme enthusiasm. Twitch: A sudden, quick movement or spasm. Dreamt/dreamed: Past tense forms of the verb "to dream." Eaves: The part of a roof that overhangs the walls. Burly man: A strong, muscular man. She’s a looker: A woman who is attractive or visually appealing. Breech birth: A birth in which the baby is delivered feet first instead of head first. Being too forward: Acting too boldly or presumptuously. Gooey: Soft and sticky, often used to describe certain textures or emotional situations. Spare tire: Excess fat around the waistline; a protruding belly. Twists and turns of fate: Unexpected changes or developments in life. Pompous: Self-important or arrogant. Play a prank on someone: To carry out a mischievous trick or joke on someone. Scamps: Mischievous or playful individuals, often used affectionately. To tend one's resignation: To formally submit one's resignation from a job. A sound judgment: A wise or rational decision. To set someone up with someone else: To arrange a meeting or date between two people. Loon: A colloquial term for a crazy or eccentric person. Duvet: A type of blanket filled with feathers, down, or synthetic fibers, used as a bed covering. Don't Meddle: Do not interfere or intervene. Croquet mallet: A hammer-like instrument used to strike croquet balls. Cut it out: Stop doing something annoying or inappropriate. Pop over: Visit briefly or unexpectedly. It was a riot: It was extremely funny or enjoyable. Spit Tspat spat: Sounds indicating a quick, spat-out expulsion of saliva. A hoot: Something that is amusing or enjoyable. Overhear: To unintentionally hear what others are saying without their knowledge. You're quite a package: You possess many appealing qualities or attributes. I'm quite a catch: I am an attractive or desirable partner. Limper: A person who walks with a limp. A hanky: A handkerchief, a small piece of cloth carried for personal hygiene or used as a fashion accessory.

A solution is a mixture in which one or more substances are uniformly distributed in another substance. Solutions can be mixtures of liquids, solids, or gases. For example, plasma, the liquid part of blood, is a very complex solution. It is composed of many types of ions and large molecules, as well as gases, that are dissolved in water. A solute (SAHL-YOOT) is a substance dissolved in the solvent. The particles that compose a solute may be ions, atoms, or molecules. The solvent is the substance in which the solute is dissolved. For example, when sugar, a solute, and water, a solvent, are mixed, a solution of sugar water results. Though the sugar dissolves in the water, neither the sugar molecules nor the water molecules are altered chemically. If the water is boiled away, the sugar molecules remain and are unchanged. Solutions can be composed of various proportions of a given solute in a given solvent. Thus, solutions can vary in concentra- tion. The concentration of a solution is the amount of solute dis- solved in a fixed amount of the solution. For example, a 2 percent saltwater solution contains 2 g of salt dissolved in enough water to make 100 mL of solution. The more solute dissolved, the greater is the concentration of the solution. A saturated solution is one in which no more solute can dissolve. Aqueous (AY-kwee-uhs) solutions—solutions in which water is the solvent—are universally important to living things. Marine microorganisms spend their lives immersed in the sea, an aqueous solution. Most nutrients that plants need are in aqueous solutions in moist soil. Body cells exist in an aqueous solution of intercellu- lar fluid and are themselves filled with fluid; in fact, most chemical reactions that occur in the body occur in aqueous solutions. Copyright © by Holt, Rinehart and Winston. All rights reserved. Liquid water Solid water Ice (solid water) is less dense than liquid water because of the structure of ice crystals. The water molecules in ice are bonded to each other in a way that creates large amounts of open space between the molecules, relative to liquid water. FIGURE 2-12 solvent from the Latin solvere, meaning “to loosen” Word Roots and Origins CHEMISTRY OF LIFE 43 ACIDS AND BASES One of the most important aspects of a living system is the degree of its acidity or alkalinity. What do we mean when we use the terms acid and base? Ionization of Water As water molecules move about, they bump into one another. Some of these collisions are strong enough to result in a chemical change: one water molecule loses a proton (a hydrogen nucleus), and the other gains this proton. This reaction really occurs in two steps. First, one molecule of water pulls apart another water molecule, or dissociates, into two ions of opposite charge: H2O ∏ H OH The OH ion is known as the hydroxide ion. The free H ion can react with another water molecule, as shown in the equation below. H H2O ∏ H3O The H3O ion is known as the hydronium ion. Acidity or alkalin- ity is a measure of the relative amounts of hydronium ions and hydroxide ions dissolved in a solution. If the number of hydronium ions in a solution equals the number of hydroxide ions, the solution is said to be neutral. Pure water contains equal numbers of hydro- nium ions and hydroxide ions and is therefore a neutral solution. Acids If the number of hydronium ions in a solution is greater than the number of hydroxide ions, the solution is an acid. For example, when hydrogen chloride gas, HCl, is dissolved in water, its mol- ecules dissociate to form hydrogen ions, H, and chloride ions, Cl, as is shown in the equation below. HCl ∏ H Cl These free hydrogen ions combine with water molecules to form hydronium ions, H3O. This aqueous solution contains many more hydronium ions than it does hydroxide ions, making it an acidic solution. Acids tend to have a sour taste; how- ever, never taste a substance to test it for acidity. In concentrated forms, they are highly corrosive to some materials, as you can see in Figure 2-13. Bases If sodium hydroxide, NaOH, a solid, is dissolved in water, it dissociates to form sodium ions, Na, and hydroxide ions, OH, as shown in the equation below. NaOH ∏ Na OH Copyright © by Holt, Rinehart and Winston. All rights reserved. Eco Connection onnection Acid Precipitation Acid precipitation, more commonly called acid rain, describes rain, snow, sleet, or fog that contains high levels of sulfuric and nitric acids. These acids form when sulfur dioxide gas, SO2, and nitrogen oxide gas, NO, react with water in the atmosphere to produce sulfuric acid, H2SO4, and nitric acid, HNO3. Acid precipitation makes soil and bodies of water, such as lakes, more acidic than normal. These high acid levels can harm plant and animal life directly. A high level of acid in a lake may kill mollusks, fish, and amphibians. Even in a lake that does not have a very elevated level of acid, acid precipitation may leach aluminum and magnesium from soils, poisoning water- dwelling species. Reducing fossil-fuel consump- tion, such as occurs in gasoline engines and coal-burning power plants, should reduce high acid levels in precipitation. Sulfur dioxide, SO2, which is produced when fossil fuels are burned, reacts with water in the atmosphere to produce acid precipitation. Acid precipitation, or acid rain, can make lakes and rivers too acidic to support life and can even corrode stone, such as the face of this statue. FIGURE 2-13 44 CHAPTER 2 This solution then contains more hydroxide ions than hydronium ions and is therefore defined as a base. The adjective alkaline refers to bases. Bases have a bitter taste; however, never taste a substance to test for alkalinity. They tend to feel slippery because the OH ions react with the oil on our skin to form a soap. In fact, commercial soap is the product of a reaction between a base and a fat. pH Scientists have developed a scale for comparing the relative con- centrations of hydronium ions and hydroxide ions in a solution. This scale is called the pH scale, and it ranges from 0 to 14, as shown in Figure 2-14. A solution with a pH of 0 is very acidic, a solution with a pH of 7 is neutral, and a solution with a pH of 14 is very basic. A solution’s pH is measured on a logarithmic scale. That is, the change of one pH unit reflects a 10-fold change in the acidity or alkalinity. For example, urine has 10 times the H3O ions at a pH of 6 than water does at a pH of 7. Vinegar, has 1,000 times more H3O ions at a pH of 3 than urine at a pH of 6, and 10,000 times more H3O ions than water at a pH of 7. The pH of a solution can be measured with litmus paper or with some other chemical indicator that changes color at various pH levels. Buffers The control of pH is important for living systems. Enzymes can function only within a very narrow pH range. The control of pH in organisms is often accomplished with buffers. Buffers are chemi- cal substances that neutralize small amounts of either an acid or a base added to a solution. As Figure 2-14 shows, the composition of your internal environment—in terms of acidity and alkalinity— varies greatly. Some of your body fluids, such as stomach acid and urine, are acidic. Others, such as intestinal fluid and blood, are

MEANING OF A WAGE A wage is an amount of money which one gets for work done during a period of time. It can be paid for work done in one day, one week, two weeks. A wage is not paid for the time or day when work is not done. An income is the total amount of money that one gets from different sources during a period of time. These can include the money or wages one is paid at work and extra money one gets as a gift or the money receives for the extra work done after office hours. THE FOLLOWING ARE OTHER SOURCES OF INCOME: 1. Transport allowances 2. Housing allowances 3. Interest from savings 4. Dividends 5. Gratuity 6. Pension Reasons why people work are as follows: 1. To remain healthy 2. To exercise the body and mind 3. To provide for himself and family 4. To pay bills (school fees, services rendered) 5. To get money for clothing and shelter

Select all the numbers that can be used as a common denominator to rewrite the fractions __ 2 6 and __ 1 2 . A 3 D 12 B 6 E 16 C 8 2 Aaron ran __ 5 8 mile to his friend’s house. Then he ran another __ 1 4 mile to the park. 1 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 4 Which equation shows how many miles Aaron ran? A __ 5 8 – __ 1 4 = __ 2 8 C __ 5 8 + __ 1 4 = __ 7 8 B __ 5 8 – __ 1 4 = __ 3 8 D __ 5 8 + __ 1 4 = __ 8 8 3 Select all the expressions that can be used to find the sum of __ 6 8 and ___9 12. A ___ 36 48 + ___ 36 48 D ___ 18 20 + ___ 17 20 B ___ 24 36 + ___ 27 36 E ___ 18 24 + ___ 18 24 C ___ 14 16 + ___ 13 16 4 Write a pair of equivalent fractions for __ 3 4 and __ 2 5 using a common denominator of 20. __ 3 4 = __ 2 5 = 5 Katie spent __ 4 5 hour painting and __ 1 2 hour drawing. ? 1 1 2 1 5 1 5 1 5 1 5 How much more time in hours did she spend painting than drawing? 6 Dave is planting a garden. He plants cucumbers in ___2 12 of his garden and tomatoes in __ 2 3 of his garden. What fraction of his garden does Dave plant with cucumbers and tomatoes? 7 Of the students in Maria’s class, __ 2 5 have dogs and __ 1 3 have cats. No students have both a dog and a cat. What fraction represents how many more students in Maria’s class have dogs? 52 © Houghton Mifflin Harcourt Publishing Company Module 6 • Form A Name Module Test DO NOT EDIT--Changes must be made through "File info" CorrectionKey=NL-C 9 Mr. Gonzales used __ 3 4 quart of broth and __ 1 2 quart of milk to make soup. How many quarts of liquid did he use? Part A Complete the fraction model to represent the problem. 1 1 2 1 4 1 4 1 4 Part B Write an equation to show how many quarts of liquid Mr. Gonzales used to make soup. 10 A bowl of cereal contains __ 2 3 cup of oats and __ 2 8 cup of raisins. Write a numerical expression using equivalent fractions with a common denominator of 24 to model how many more cups of oats than raisins there are in the bowl. 11 Jessica read __ 1 6 of her book on Thursday, __ 2 9 of her book on Friday, and __ 1 2 of her book on Saturday. Part A Write a numerical expression using equivalent fractions to model how much of her book she has read so far. Part B What fraction of her book has Jessica read?

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